Frame for printing head



FIG. 1 is front, bottom and right side perspective view of a frame for printing head showing our new design;

FIG. 2 is top, rear and left side perspective view thereof;

FIG. 3 is bottom, rear and right side perspective view thereof; and

FIG. 4 is an end view thereof; another end view is mirror image hereof. 

The ornamental design for a frame for printing head, as shown and described. 